You can delete controls options, window frame options, or icons options.
To delete a controls option, window frame option, or icons option, perform the following steps:
Start the Theme
preference tool.
Click on the Theme Details button.
Click on a tab in the Theme Details dialog for the type of option that you want to delete.
Click on the Go to Theme Folder button. A file manager window opens on the default option folder.
Use the file manager window to delete the option.